Shoe upper



FIG. 1 is a top and right side perspective view of a shoe upper showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational of view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a front elevational view thereof.

The broken-lines shown in FIGS. 1 and 3-6 are environmental only and form no part of the claimed design. 

The ornamental design for shoe upper, as shown and described. 